HI, On Thu, May 30, 2013 at 12:51:37AM +0400, Alexey Khoroshilov wrote: > r8a66597_irq() processes sudmac part (r8a66597_sudmac_irq()) before locking r8a66597->lock. > But transfer_complete(), that is called inside (r8a66597_sudmac_irq()->sudmac_finish()->transfer_complete()), > expects r8a66597->lock is locked. As a result unheld spinlock can be unlocked. > > The patch just moves locking before calling r8a66597_sudmac_irq(). > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> should this go to stable ? Looks like this bug has been there since 2.6.32. -- balbi
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